What this question given in the primary category of the 1st International Vedic Mathematics Olympiad in September 11, 2021 really requires is to find out the square root of of 5625. Anyone who is familiar with Vedic Mathematics can answer…
Our previous Math Tip deals with recognizing numbers divisible by 11. The next logical lesson should be how to determine the remainder when a number is divided by 11. This is the subject of this question, which was given the…
A number is divisible by 11 if the alternating sum of the digits is 0 or a multiple of 11. This also means that the difference between the sum of the odd-placed digits and the sum of the even-placed digits…